OpenTechnical

OT-2026-000082705

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000082705) never changes.

Identity and time

Publication numberOT-2026-000082705 · never reused
Internal UUID01a0ae97-8cc8-7e70-8591-c447743201b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082705
StatusPUBLIC

Content hashes

Canonical textdfa54b9e8658a7e841d891578cb9fb7df5200f98e0d0c182bbab362b99fad915
Markdownd64b3858490324da49ada188154fef121239398ef068db6bf8ab038a9f0430c4
PDF
Publication pagef1e8ca35300f9e5381d885640b45ffb5c4cee2e20a4dc147b19aef356227fafb
Manifest7bb1075a13478a4b58e7199c659ef188987c119ddff518d6290437305e0ff4c2

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureGJ9dhGlOaZ6v/BBiXHccHsyYTLXu1anMuuDBs+2dljA2V74bidmnKYXZ7i5C6iPhV9Z0LLFq8DjCjyLb+tdwDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:16.761658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082705
observed f1e8ca35300f9e5381d885640b45ffb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:16.745187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082705/manifest.json
observed 7bb1075a13478a4b58e7199c659ef188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:16.727353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082705/publication.md
observed d64b3858490324da49ada188154fef12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:16.710095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082705/publication.txt
observed dfa54b9e8658a7e841d891578cb9fb7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.